Wireless communication system, electrical device, and wireless communication tag

2. The wireless communication system according to claim 1, wherein the first side surface of the first unit is formed by one or a plurality of surfaces and the second side surface of the second unit is formed by one or a plurality of surfaces.

3. The wireless communication system according to claim 1, wherein the second unit is constructed to be fixable to the first unit at at least two positions at which the second unit is rotated around the first direction as an axis with respect to the first unit.

4. The wireless communication system according to claim 1, wherein the first unit comprises a conductive mechanism component that is disposed farther inward than the first coil conductor relative to the first direction.

5. The wireless communication system according to claim 1, wherein the conductive ring overlaps at least part of the first coil conductor when viewed from a second direction that is perpendicular to the first direction.

7. The wireless communication system according to claim 6, wherein an outer shape of the projection is circular when viewed from the first direction.

8. The wireless communication system according to claim 7, wherein an axis of the projection is coaxial with an axis of the base of the first unit.

9. The wireless communication system according to claim 1, wherein, in a second direction that is perpendicular to the first direction, the conductive ring is disposed outward of the first coil conductor with respect to a winding axis of the first coil conductor.

10. The wireless communication system according to claim 1, wherein, in a second direction that is perpendicular to the first direction, the conductive ring is disposed inward of the first coil conductor with respect to a winding axis of the first coil conductor.

11. The wireless communication system according to claim 1, wherein the slit leaves a portion of the first coil conductor exposed.

12. The wireless communication system according to claim 1, wherein the conductive ring has a front edge facing that second unit that is closer than a front edge of the first coil conductor that is facing the second unit.

14. The electrical device according to claim 13, wherein the operating section includes a conductive mechanism component that is disposed closer to a central portion of the first unit than the first coil conductor when viewed from the first direction.

16. The wireless communication tag according to claim 15, wherein the conductive ring overlaps at least part of the first coil conductor when viewed from a second direction that is perpendicular to the first direction.

17. The wireless communication tag according to claim 15, wherein the first unit includes a base that includes the first side surface and a projection that extends from the base, and the second unit includes a recess constructed to receive the projection therein.

18. The wireless communication tag according to claim 17, wherein an outer shape of the projection is circular when viewed from the first direction.

19. The wireless communication tag according to claim 18, wherein an axis of the projection is coaxial with an axis of the base of the first unit.

20. The wireless communication tag according to claim 15, wherein, in a second direction that is perpendicular to the first direction, the conductive ring is disposed outward of the first coil conductor with respect to a winding axis of the first coil conductor.